1 files changed, 67 insertions, 0 deletions
diff --git a/src/shared/utmp-wtmp.h b/src/shared/utmp-wtmp.h
new file mode 100644
index 0000000..3e71f76
--- /dev/null
+++ b/src/shared/utmp-wtmp.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include "time-util.h"
+#include "util.h"
+
+#if ENABLE_UTMP
+#include <utmpx.h>
+
+int utmp_get_runlevel(int *runlevel, int *previous);
+
+int utmp_put_shutdown(void);
+int utmp_put_reboot(usec_t timestamp);
+int utmp_put_runlevel(int runlevel, int previous);
+
+int utmp_put_dead_process(const char *id, pid_t pid, int code, int status);
+int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user);
+
+int utmp_wall(
+        const char *message,
+        const char *username,
+        const char *origin_tty,
+        bool (*match_tty)(const char *tty, void *userdata),
+        void *userdata);
+
+static inline bool utxent_start(void) {
+        setutxent();
+        return true;
+}
+static inline void utxent_cleanup(bool *initialized) {
+        if (initialized)
+                endutxent();
+}
+
+#else /* ENABLE_UTMP */
+
+static inline int utmp_get_runlevel(int *runlevel, int *previous) {
+        return -ESRCH;
+}
+static inline int utmp_put_shutdown(void) {
+        return 0;
+}
+static inline int utmp_put_reboot(usec_t timestamp) {
+        return 0;
+}
+static inline int utmp_put_runlevel(int runlevel, int previous) {
+        return 0;
+}
+static inline int utmp_put_dead_process(const char *id, pid_t pid, int code, int status) {
+        return 0;
+}
+static inline int utmp_put_init_process(const char *id, pid_t pid, pid_t sid, const char *line, int ut_type, const char *user) {
+        return 0;
+}
+static inline int utmp_wall(
+                const char *message,
+                const char *username,
+                const char *origin_tty,
+                bool (*match_tty)(const char *tty, void *userdata),
+                void *userdata) {
+        return 0;
+}
+
+#endif /* ENABLE_UTMP */